Isherwood is a consulting firm specializing in geostructural engineering for new and restoration projects in Toronto, Vancouver, and throughout Canada. Formed in 1972 by Brian Isherwood (Fellow of the Canadian Society of Civil Engineers), Isherwood provides superior value to our clients, rooted in a heavy focus on personalized service, constructability, and high quality field review.

Isherwood has been responsible for excavation support, retaining walls, slope stabilization, underpinning, and foundation design for many prominent Toronto structures including the CN Tower, Skydome Stadium (now Rogers Centre), Royal Ontario Museum, Toronto Opera House, Ontario Science Centre, Pearson Airport, Art Gallery of Ontario, Don Valley Parkway, Billy Bishop Pedestrian Tunnel, Eglinton Crosstown LRT, and the Toronto Subway. We received The Deep Foundations Institute 1998 ‘Outstanding Project Award’ for our involvement in the St. Clair River Rail Tunnel, an honorable mention in 2006 for the RC Harris Filtration Plant, and Toronto Construction Association ‘Best of the Best Award’ for several projects including the Four Seasons Centre for Performing Arts, the Empress Walk Development, and the New Royal Conservatory of Music.

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Since 1972, Isherwood has grown to a staff of over fifty people including professional engineers, EITs, project managers, a geologist, field technicians, CAD technicians, as well as business, legal, safety, and support personnel. Our employees are passionate about what they do and are dedicated to providing clients with top-tier service by contributing expertise from a variety of backgrounds, and by cultivating a teamwork-focused, hands-on approach to solving problems.

“For me, Isherwood Associates represents a workplace respectful of people with diverse beliefs, opinions and cultures, a workplace flexible to employees’ needs, a workplace which stresses the values of family, and fosters relationships between colleagues, clients and the public at large.”

- Nadir Ansari, President